This patch changes the way PCI domain numbers are generated on powerpc. No functional changes were introduced. The reason for this modification is better explained on patch's commit message, but in short we currently increment a global variable at each new PHB discovered, and use this value as domain number. The problem is that in some cases, like PCI device hotplug remove and re-add, the address is changed - as modern kernels are using predictable network naming for example, we can end up having some issues tracking network interfaces after hotplug operations. I CC'ed both cxl folks, Bjorn and PCI list, so we can be sure this modification, if accepted, won't impact any other related area. Thanks in advance, Guilherme Guilherme G. Piccoli (1): powerpc/pci: Reuse PHB number on pci_controller add if available arch/powerpc/kernel/pci-common.c | 47 +++++++++++++++++++++++++++++++++++++--- 1 file changed, 44 insertions(+), 3 deletions(-) -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
